import Vue from "vue";
import Vuex from "vuex";
import * as  permissionApi from "@/api/permissions"
//权限菜单&权限路由
//1.根据数据筛选出用户能够访问的路由,并且动态添加
//2.根据返回的数据,创建菜单,并且点击菜单能够进行跳转

import allRoutes from "@/router/generateRoutes" //所有的路由
import recursionRoutes from "@/utils/recursionRoutes" //生成用户路由的递归函数

//引入路由
import router from "@/router"

import * as permissApi from "@/api/permission"

import dynamicRoutes from "@/router/dynamicRoutes"

//引入持久化存储
import createPersistedState from "vuex-persistedstate";

Vue.use(Vuex);


export default new Vuex.Store({
  state: {
    userMenu: [],
    userInfo: {}, //用户信息
    currentProduct: {},//当前充值的产品对象
  },
  getters: {},
  mutations: {
    //设置用户菜单
    SET_MENULIST(state, payload) {
      state.userMenu = [...payload]//浅拷贝

      //动态添加路由,引入dynamic路由,进行匹配,匹配到path==='/'这个对象,让我们的用户路由中的结果,成为这个对象的children
      let target = dynamicRoutes.find(route => route.path === "/");

      target.children = [...target.children, ...payload]

      //动态的将路由添加到跟路由的routes选项中

      //router.addRoute 动态添加路由,参数是一个对象,这个对象必须符合routes的配置
      router.addRoute(target)
    },
    //修改用户信息
    SET_USERINFO(state, payload) {
      state.userInfo = payload
    },
    //设置当前充值的产品
    SET_CURRENT_PRODUCT(state, payload) {
      state.currentProduct = payload
    }
  },
  actions: {
    //请求菜单数据,根据菜单数据
    //1.计算出角色(role)的菜单
    //2.计算出当前这个角色的合法路由
    async FETCH_MENULIST(context, payload) {
      return permissApi.getMenuList().then(res => {
        // console.log(res)
        //后端返回的菜单数据
        let { menuList } = res.data;
        //调用recursionRoutes
        let userRoutes = recursionRoutes(allRoutes[0].children, menuList)
        // console.log(userRoutes)
        //让mutation进行处理
        context.commit('SET_MENULIST', userRoutes)
      })
    }
  },
  modules: {},
  /* vuex数据持久化配置 */
  plugins: [
    createPersistedState({
      // 存储方式：localStorage、sessionStorage、cookies
      storage: window.localStorage,
      // 存储的 key 的key值
      key: "myx2",
      paths: ['userInfo', 'currentProduct']
    })
  ]
});
